Are there nonstop flights from Taipei (TPE) to Vientiane (VTE)?

No. The fastest connection is via Shenzhen, about 3h 27m of total flying time.

What is the fastest connection from Taipei (TPE) to Vientiane (VTE)?

via Shenzhen ≈ 3h 27m, via Hong Kong ≈ 3h 27m, via Guangzhou ≈ 3h 27m (estimated flying time, excluding layovers).

from 15,000 JAL miles, from 18,000 ANA miles (economy, one way, based on the published award charts).

Taiwan Taoyuan International Airport (TPE) to Wattay International Airport (VTE)・2,083 km

No nonstop flights. The fastest connection is via Shenzhen (SZX), about 3h 27m of flying time (layover not included).

With milesJAL 15,000 miles+ (via WUH)ANA 18,000 miles+ (via BKK)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

21 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.